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4.9

  1. 4.9 exhaust gasket?

    1980-'96 Bronco Tech
    Hello yall, I'm redoing my entire exhaust system and I wanted to know what is the best way to prevent the manifolds from leaking. I know they are straight to the head from factory but ive wondered if a exhaust gasket would be better or some other seal to prevent leaks. I already have a bad leak...
  2. 4.9 rough idle / no power above half throttle

    Noobie Bronco Tech Questions. Flame free zone!
    Hello y'all My 1990 Bronco 4.9 has been giving me hell. I decided to replace my whole ignition system. New plugs, wires, distributor and coil. My plugs are motocraft copper cores and my timing is set to 12°. Before I did this my truck ran well, but I felt replacing 30 year old parts would be...
  3. 32x11.5 vs 33x10.5 with 4.9

    Noobie Bronco Tech Questions. Flame free zone!
    Howdy y'all. I have a 1990 bronco, 4.9 5 speed with 3.55 gears and 31s. I'm currently putting on a skyjacker level coils and eel and would like some tire advice. My truck is a daily and weekend offroader. Id like either 32 inch mastercraft mxt or 33x10.5 DC extreme country's. I only have a 4.9...
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